KINL is the ICAO code for Falls International Airport (IATA INL), located in International Falls, MN.
Falls International Airport is a city-owned public-use airport located in International Falls, a city in Koochiching County, Minnesota, United States. It is mostly used for general aviation but is also served by one commercial airline with scheduled passenger service subsidized by the Essential Air Service program.
Excerpted from Wikipedia, available under the Creative Commons Attribution-ShareAlike License.